rosdep: Added m2r package (#35827)

* rosdep: Added m2r package.

Author: peci1

rosdep/base.yaml

@@ -6319,6 +6319,30 @@ lz4:
   rhel: [lz4-devel]
   slackware: [lz4]
   ubuntu: [liblz4-dev]
+m2r:
+  alpine:
+    pip:
+      packages: [m2r]
+  arch:
+    pip:
+      packages: [m2r]
+  debian:
+    '*': [m2r]
+    buster:
+      pip:
+        packages: [m2r]
+  fedora: [python3-m2r]
+  gentoo:
+    pip:
+      packages: [m2r]
+  nixos: [m2r]
+  opensuse: [python3-m2r]
+  osx:
+    pip:
+      packages: [m2r]
+  ubuntu:
+    '*': [m2r]
+    bionic: null
 m4:
   arch: [m4]
   debian: [m4]